#archivio {
    max-width: var(--content-width);
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

#archivio h1 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-xxlarge);
    color: var(--primary-color);
    width: 100%;
    position: relative;
    padding-bottom: var(--spacing-xs);
}

#archivio h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

#archivio #categories {
    display: flex;
    justify-content: center;
    margin: var(--spacing-lg) 0;
    list-style: none;
    gap: clamp(6px, calc(0.5rem + 1vw), var(--spacing-md));
    padding: 0;
    flex-wrap: wrap;
}

#archivio #categories .category {
    padding: var(--spacing-xs) var(--spacing-md);
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-small);
    font-weight: 500;
    transition: var(--transition-normal);
    color: var(--light-text);
}

#archivio #categories .category:hover {
    background-color: rgba(106, 149, 183, 0.1);
    color: var(--primary-color);
}

#archivio #categories .category.selected {
    background-color: var(--primary-color);
    color: white;
}

#archivio #posts {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    width: 100%;
}

.post {
    display: flex;
    background-color: var(--background-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-regular);
    border: none;
    height: 260px;
}

.post .cover-container {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    position: relative;
    background-color: var(--background-color-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
}

.post .cover {
    height: 100%;
    aspect-ratio: inherit;
    object-fit: contain;
    position: absolute;
    top: 0;
    left: 0;
}

.post .info {
    flex: 1;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    position: relative;
    padding-bottom: calc(var(--spacing-lg) + var(--spacing-md));
}

.post .info .title {
    font-family: var(--font-heading);
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-large);
}

.post .info .description {
    color: var(--light-text);
    line-height: var(--line-height-normal);
    margin-bottom: var(--spacing-lg);
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post .button {
    position: absolute;
    right: var(--spacing-md);
    bottom: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
}

#post {
    max-width: var(--content-width);
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

#post .breadcrumb {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-small);
    background-color: #f5f9fd;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    flex-wrap: wrap;
    line-height: 2;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

#post .breadcrumb .breadcrumb-item {
    display: flex;
    align-items: center;
    white-space: nowrap;
}

#post .breadcrumb a {
    color: var(--primary-color);
    transition: var(--transition-fast);
    padding: 2px 4px;
}

#post .breadcrumb a:hover {
    background-color: rgba(106, 149, 183, 0.1);
    border-radius: 4px;
}

#post .breadcrumb .separator {
    margin: 0 var(--spacing-xs);
    color: var(--light-text);
    opacity: 0.7;
}

#post .breadcrumb .current {
    color: var(--text-color);
    font-weight: 500;
}

#post .breadcrumb i {
    margin-right: 4px;
    font-size: 12px;
}

#post .post-container {
    width: 100%;
}

#post .post {
    width: 100%;
    max-width: 100%;
    margin-bottom: var(--spacing-lg);
    height: auto;
}

#post .post .cover-container {
    height: 260px;
}

#post .content.markdown {
    width: 100%;
    padding: 0;
    box-shadow: none;
    background-color: transparent;
    text-align: left;
}

#post .post-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    width: 100%;
}

#post .post-nav .back-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 500;
    transition: var(--transition-fast);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
}

#post .post-nav .back-link:hover {
    background-color: rgba(106, 149, 183, 0.1);
}

#post .post-nav .back-link i {
    margin-right: var(--spacing-xs);
}

#post .post-nav .post-category {
    color: var(--light-text);
    font-size: var(--font-size-small);
}

#post .post-nav .post-category span {
    font-weight: 500;
}

#post .post-nav .post-category a {
    color: var(--primary-color);
    text-decoration: underline;
}

#post .post-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

#post .back-button {
    margin-right: auto;
}

@media (max-width: 768px) {
    #archivio #categories {
        flex-wrap: wrap;
        justify-content: center;
        overflow: visible;
    }
    
    .post {
        flex-direction: column;
        height: auto;
    }
    
    .post .cover-container {
        aspect-ratio: 16 / 10;
        width: 100%;
        height: 100%;
    }

    .post .cover {
        position: relative;
        width: 100%;
        height: 100%;
    }
    
    .post .info {
        padding: var(--spacing-md);
        padding-bottom: calc(var(--spacing-xl) + var(--spacing-xs));
    }
    
    .post .info .description {
        margin-bottom: var(--spacing-lg);
    }
    
    #post {
        padding: var(--spacing-lg) 0;
    }
    
    #archivio {
        padding: var(--spacing-lg) 0;
    }

    #post .post-nav {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .post .cover {
        object-fit: contain;
        position: absolute;
        top: 0;
        left: 0;
    }
}

@media (max-width: 480px) {
    #archivio {
        padding: var(--spacing-lg) 0;
    }
    
    #archivio #categories {
        flex-wrap: wrap;
        justify-content: center;
        overflow: visible;
        gap: 6px;
        padding-bottom: var(--spacing-xs);
    }
    
    #archivio #categories .category {
        padding: var(--spacing-xs);
    }
    
    .post .info .title {
        font-size: var(--font-size-medium);
    }
    
    .post .info {
        padding: var(--spacing-sm);
        padding-bottom: calc(var(--spacing-xl) + var(--spacing-xs));
    }
    
    .post .button {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        bottom: var(--spacing-sm);
        width: calc(100% - var(--spacing-sm)*2);
        text-align: center;
    }
    
    #post .breadcrumb {
        flex-wrap: wrap;
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs);
        gap: var(--spacing-xxs);
        line-height: 2.2;
    }

    #post .post-navigation {
        flex-direction: column;
        width: 100%;
    }

    #post .post-navigation a {
        width: 100%;
        margin-bottom: var(--spacing-xs);
        justify-content: center;
        margin-right: 0;
    }
}